5 kinds of new version KGS codes are published,

 -  AA111 : Code for Facility, Technical, Inspection and inspection for Manufacturing of High-pressure Gas Refrigerators

 - FS111 : Code for Facility, Technology and Inspection of High-pressure Gas Sales by Cylinder

 - GC102 : Design, Selection and Installation Code for Explosion-proof Electrical Equipment

 - GC208 : Installation/Inspection Code for Residential Gas Boilers

 - GC209 : Installation/Inspection Code for Commercial and Industrial Gas Boilers

For more details, please check a attached file

Thanks.